Dolly For 700 and 800 Chairs, Constructed of 11-gauge steel, 7/8 round tubular handle and 4 polyolefin casters, 2 swivel, Stacks up to 36 of the 800 Series. Optional strap to tie down chairs during transport and storage. Black Powder Coated Steel. Nylon casters: 4 x 1 Powder Coated Steel. polyolefin casters. Stacks up to 36 of the 800 Series. weight 30 lbs. MODEL NO - DY700/800